Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
Question 29: It was suggested that Pedro studies the material more thoroughly before attempting to pass the exam
A. studies B. more C. attempting D. to pass
Question 30:The earth is the only planet with a large amount of oxygen in their atmosphere.
A. the B.amount C.oxygen D. their
Question 31: After the social science lecture all students are invited to take part in a discussion
of the issues which were risen in the talk.
A. social science lecture B. are invited
C. of the issues D.risen in
